www.thinkprogress.org/climate/2014/08/20/3473769/pennsylvania-health-professionals-fracking-health/
"Pennsylvania doctors, nurses, and health policy experts are calling for a statewide investigation into claims that the state Department of Health has a policy of telling its employees never to talk to residents who complain of negative health effects from fracking, according to letter sent to state Gov. Tom Corbett and other elected officials on Tuesday."
